161470 has 16 divisors (see below), whose sum is σ = 296208. Its totient is φ = 63360.
The previous prime is 161461. The next prime is 161471. The reversal of 161470 is 74161.
It is a happy number.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161471) by changing a digit.
161470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550 + ... + 790.
It is an arithmetic number, because the mean of its divisors is an integer number (18513).
2161470 is an apocalyptic number.
161470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
161470 is a deficient number, since it is larger than the sum of its proper divisors (134738).
161470 is a wasteful number, since it uses less digits than its factorization.
161470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 161470 is about 401.8332987695. The cubic root of 161470 is about 54.4541038286.
The spelling of 161470 in words is "one hundred sixty-one thousand, four hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •